Granted Patent
Utility
US 4,700,595 · App. 06/864,078
Balance mechanism for movable jaw chuck of a spin station
Inventor:
Paul Soares
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: May 16, 1986
Inventor
Paul Soares
Assignee (at issue)
Silicon Valley Group, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.